3
3M™Scotchcast™
Electrical Resin 5230N
One Part, Epoxy Powder Resin
• Specially formulated for use in electrostatic fluid bed process
• Excellent electrical properties
• Excellent heat, chemical and moisture resistance
• Superior cut-through resistance
• UL 1446 electrical insulation systems approval at Class-155(F)
3M™ Scotchcast™ Electrical Resin 5230N is a widely used, general
purpose epoxy powder resin. A one-part, blue pigmented, rapid
heat-curing product, it is designed to provide a continuous, tough
moisture and chemical resistant dielectric coating to a variety of
substrates.
Scotchcast™ 5230N is manufactured by a fusion blend process,
insuring that each individual particle of powder contains all the
components necessary to effect a complete cure and attain stated
performance properties.
Scotchcast™ 5230N is applied to a cold object via the electrostatic
fluid bed process. The negatively charged resin particles are
attracted to the grounded object to be coated. Coating thicknesses
up to 25 mils may be obtained. Because of its superior charging
capabilities Scotchcast™ 5230N exhibits excellent slot penetration
on motor stators and armatures. Uses for Scotchcast™ 5230N
include moisture-proofing and insulating armatures, stators, buss
bars and toroid cores.
Scotchcast™ Electrical Resin 5230N-Typical Properties
Property Value
Color Blue
Specific Gravity1 (cured) 1.60
Dielectrical Strength3 12 - 15 mil /30 µm to 375 µm coating 1000 v/mil (39 v/micron)
Thermal Shock2 10 cycles - 75°C to 155°C
12 - 15 mil /30 µm to 375 µm coating 1/8” sandblasted steel Passes
Impact Resistance2
12 - 15 mil (305-375 µm) coating 1/8” blasted steel panel
Gardner 5/8” Radius Impact Tester
160 inch-lbs /18.2J
Cut-through Resistance2 - 1 lb wt: 1/8 AWG wire 320°C (608°F)
Abrasion Resistance5 .11 grams
Edge Coverage2 12 - 15 mil /305 µm to 375 µm coating on flat >35%
Gel Time2 @ 193°C hot plate 9-16 seconds
Thermal Conductivity40.30 w/mk
*Not recommended for specification purposes. Product specifications will be provided upon request.
Test Methods
1 ASTM D-792
2 3M Test Method
3 ASTM D-149
4 ASTM E-1530
5 ASTM D-4060
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3M warrants that Product will conform to 3M published specifications upon shipment. If Product is proven not to have met the specifications your exclusive remedy and
3M’s sole obligation will be, at 3M’s option, to replace the Product or to refund the purchase price of the Product. EXCEPT WHERE PROHIBITED BY LAW, THIS WARRANTY
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Usage Information
Method of Application
Before resin is applied, the object to be coated should be clean,
dry and free of oils. Scotchcast™ Electrical Resin 5230N is first
placed in an electrostatic fluid bed and charged (40 to 90KV),
causing the epoxy resin particles to repel each other and move
upward. This results in a cloud of charged particles above the
surface of the bed. A grounded object is coated when passed
through or placed in this cloud. Scotchcast™ 5230N can be
deposited in film thicknesses up to 25 mils (635 microns) on
objects at room temperature. Because it is applied to a room
temperature substrate, the powder can be selectively removed.
Air used for fluidizing should be dried to -20°F (-29°C) dew point.
Curing
The cure of Scotchcast™ 5230N is accomplished by heating the
coated part to a temperature above the melting point of the resin.
The resin then melts, flows to a controlled extent, and coalesces
into a smooth, continuous, thin, essentially uniform coating,
which cures and bonds to the substrate. The coating maintains its
uniformity on flat surfaces as well as in corners and on high points
of the part. Either convection oven or induction heating may be used
as a heat source for curing the resin.
The figures below represent nominal guidelines for obtaining the
resin’s adhesion, impact and chemical resistance characteristics.
Cure Temperature Time
177°C (350°F) 15 minutes
204°C (400°F) 6 minutes
232°C (450°F) 3 minutes
Time does not include that required to reach the cure temperature.
The user must determine the time required for the coated substrate
to reach listed temperatures.
Handling and Safety Precautions
Read all Health Hazard, Precautionary, and First Aid statements
found in the Material Safety Data Sheet and/or product label prior to
handling or use.
Storage
Laboratory evaluation indicates that the usable shelf life
of this product is twenty four (24) months from the date of
manufacture when stored at temperatures not exceeding
16°C (60°F) providing the material is stored in its original container.
Care should be taken when removing resin from the original
shipping container to prevent inclusion of foreign material. After
resin removal, the bag should be retied immediately. This will help
to avoid agglomeration caused by excess moisture. For best results,
store in a cool, dry place.
UL Recognition
Scotchcast™ 5230N has been evaluated by UL and is included in
UL file #35075. It is recognized as class B component insulation.
5230N is also listed as integral ground insulation in a new 3M class
F insulation system designated 3M155-2 under UL file #163090.
Ordering Information/Customer Service
For ordering technical or product information, or a copy of the
Material Safety Data Sheet, call:
Phone: 800/722-6721
Fax: 877/601-1305
3M and Scotchkote are products of 3M Company.
Products related to this Datasheet
SCOTCHCAST ELECT RESIN 5230 60LB